One of our cassettes can treat 250 L of urine. After which the cassette is exchanged for a fresh one. The full cassette contains the dry urine-based fertilizer. This can be used directly on-site or be transported to a centralized service station. In the future, we will not only haul out bottles, cans, and food scraps to the curbside, but also a container of a concentrated fertilizer for circular use.